# iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP (IDGA) **Source:** https://fundology.uk/fund/idga · ISIN IE0006NB6WZ4 · Data: TradingView (LSE closes and returns, delayed), issuer documents, ONS CPIH, FCA FIRDS ## At a glance > Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise. As of 30/09/2026, IDGA (iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP, ISIN IE0006NB6WZ4) closed at £4.62 on the London Stock Exchange. Its ongoing charge is 0.10% a year (about £10 on £10,000). Over the year to 30/09/2026 its total return was −8.5%, or −11.3% after UK CPIH inflation. ## Summary iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP is an exchange-traded fund (ETF) from iShares, launched in 2024. It tracks the US Treasury 20+ Year Index. You buy and sell it through a share-dealing account or platform during stock-market hours, like a share. Its ongoing charge is 0.1% a year — about £10 a year on every £10,000 invested, taken from the fund's value rather than billed to you. Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you. It is currency-hedged: it aims to remove most of the effect of exchange-rate moves against the pound. Latest close: **£4.62** (30/09/2026). ## Key facts | Fact | Value | |---|---| | Ticker (LSE) | IDGA | | ISIN | IE0006NB6WZ4 | | Category | Government bonds | | Type | ETF | | Provider | iShares | | Tracks | US Treasury 20+ Year Index | | Income | Accumulating | | Ongoing charge | 0.10% a year (£10 per £10,000) | | Fund size | £56.0m | | Launched | 2024 | | Domicile | Ireland | ## Past returns (periods to 30/09/2026) After the fund's ongoing charges. "Income reinvested" is total return; "price only" leaves out income paid out. Real returns are after ONS CPIH inflation. | Window | Return | After CPIH inflation | Measured as | |---|---|---|---| | 1 year | -8.46% | -11.33% | income reinvested | Returns: TradingView (delayed data). Inflation: ONS CPIH, latest month published. ## Calendar-year returns Calendar-year returns of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP in pounds (price, with income reinvested in the fund): 2025 +4.5%; 2026 to 30/09/2026 −8.3%. Returns of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: −8.3%; to 30/09/2025: −6.0%. | Year | Return | After CPIH inflation | Measured as | |---|---|---|---| | 2025 | +4.5% | +0.9% | Price | | 2026 to 30/09/2026 | -8.3% | -10.9% | Price | ## Risk metrics | Window | Volatility | Max drawdown | |---|---|---| | 1 year | 8.66% | -11.99% | ## Largest fall Volatility of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP in pounds, annualised from weekly returns to 30/09/2026: 8.7% over 1 year. Largest fall in the price of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP since March 2024, in pounds: −15.7% from 06/09/2024 to 30/09/2026. The lowest 12-month return of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP in pounds (price, with income reinvested in the fund) since March 2024 was −9.1% (12 months to 30/09/2026); the highest was +7.0% (12 months to 09/01/2026). On 30/09/2026 the price of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP was 15.7% below its highest weekly close since March 2024 (06/09/2024), in pounds. ## Charges compared with similar funds Ongoing charge of iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP 0.10% a year, as of 01/10/2026: 161 of the 274 other government bond funds charge more, 37 the same and 76 less (share classes counted once). ## Funds tracking the same index 4 funds track US Treasury 20+ Year Index, this one included and share classes counted once; their ongoing charges range from 0.07% to 0.10% a year (30/09/2026). | Fund | Ongoing charge | 1 year | 3 years | 5 years | |---|---|---|---|---| | iShares IV PLC - iShares USD Treasury Bond 20+yr UCITS ETF Hedged GBP | 0.10% | -8.5% | -0.7% | -37.4% | | iShares USD Treasury Bond 20+yr UCITS ETF | 0.07% | -7.1% | -7.2% | -33.4% | | iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBP (this fund) | 0.10% | -8.5% | — | — | | iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) | 0.07% | -7.4% | -7.1% | -34.0% | Returns are the data vendor’s, in pounds, income reinvested unless marked "(price)". ## Charges & eligibility - Ongoing charges figure (OCF): **0.10%** per year - ISA eligible: yes - SIPP eligible: yes --- We show information. We are not financial advisers, not authorised by the FCA, and never recommend specific investments. Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.